Home / 879,233.40-1,318,850.10-318,065.40

Finding the Fourth Proportional to 879,233.40, 1,318,850.10 and 318,065.40

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Solution

The fourth proportional to 879,233.40, 1,318,850.10 and 318,065.40 is: 477,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,233.40 : 1,318,850.10 = 318,065.40 : x
  2. Step 2: Convert to fraction form
    879,233.40/1,318,850.10 = 318,065.40/x
  3. Step 3: Cross multiply
    879,233.40x = 1,318,850.10 × 318,065.40
  4. Step 4: Simplify right side
    879,233.40x = 419,480,584,596.54
  5. Step 5: Solve for x
    x = 419,480,584,596.54/879,233.40
  6. Step 6: Final answer
    x = 477,098.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.